January 1931. Ramón Gómez de la Serna visits Barcelona to give a lecture at the Ritz Hotel. The next day, someone stole a suitcase full of bizarre items that he had bought at the Trail. Francesc Pujols, a hyperxiological detective, is in charge of retrieving the suitcase. Gradually, the investigator will connect the wires that connect the robbery with a very dangerous esoteric sect.
Will the detective Pujols be able to close Loplop's cursed circle?